Add centos-8 support for ovs-dpdk

changed /var/lib/vhost_socket dir owner/group permission for centos-8 and
added openvswitch service name.

Change-Id: Idedbef8b70cb42588c9c9ace9530df84a5d1f6ff

defaults/main.yml

@@ -459,5 +459,3 @@ ovs_dpdk_pmd_cpu_mask: 2
 ovs_dpdk_socket_mem: "1024"
 ovs_dpdk_nr_1g_pages: 0
 ovs_dpdk_nr_2m_pages: 0
-# (NOTE) (or "libvirtd", depending on your version of libvirt)
-vhost_socket_directory_group: "libvirt"

tasks/providers/setup_ovs_dpdk.yml

@@ -88,7 +88,7 @@
   file:
     path: /var/lib/vhost_socket
     state: directory
-    owner: libvirt-qemu
+    owner: "{{ vhost_socket_directory_owner }}"
     group: "{{ vhost_socket_directory_group }}"
     mode: "0755"
   when:

vars/debian.yml

@@ -31,6 +31,9 @@ neutron_ovs_dpdk_required_packages:
 
 dpdk_service_name: dpdk
 
+vhost_socket_directory_group: "libvirt"
+vhost_socket_directory_owner: "libvirt-qemu"
+
 ## APT Cache options
 cache_timeout: 600
 

vars/redhat.yml

@@ -19,6 +19,11 @@ neutron_repos:
 neutron_ovs_distro_packages:
   - openvswitch
 
+dpdk_service_name: openvswitch
+
+vhost_socket_directory_group: hugetlbfs
+vhost_socket_directory_owner: qemu
+
 neutron_ovs_service_name: openvswitch
 
 neutron_ovn_northd_service_name: ovn-northd